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Rubber Reducer

    Place of Origin: China

Product Description

Rubber Reducer
Rubber reducers, also known as reducing rubber joints/connectors, including concentric rubber reducers and eccentric rubber reducers, are special designed for piping systems to compensate more misalignment/offset, absorb pipe movements, relieve stress, reduce system noise/vibration, and to protect rotating mechanical equipment against start-up surge forces.

Features and Benefits
·Absorbs directional movement
·Absorbs vibration, noise and shock
·Compensates for more misalignment
·Wide flowing arch design
·Economical fully molded construction
·Special grooved flange ring design, prevent rubber end pulling out
·Solid galvanized steel floating flanges speed the installation time
·No gaskets required; integrally rubber flanged design

Specifications

Nominal diameter:
DN25mm to DN3000mm
Maximum working pressure:
2.5 Mpa
Vacuum KPa(mmHg)
44.9(350)
Operating temperature:
-20℃-100℃
Corrosion resistance
Good
Applicable media
Sea water, drinking water, slurry, industrial sewage.

Components/Materials/Functions


NO.
Components
Materials
Functions

1
Rubber Bellows
EPDM/NR/NBR
Body
2
Ring Flange
Carbon Steel
Fasten
3
Steel Ring
Mild Steel
Reinforce
4
Tire Cord
Nylon
Reinforce
5
Arch Design
EPDM/NR/NBR
Reduce turbulence
6
Holding-on Design
/
Prevent Pulling Out

Rubber Reducer Design:


Concentric Data Sheet:


SIZE
LENGTH
MAX
VACUUM
Movement Capability(mm)
Prox.
I.D×i.d.
F/F
Pressure
Rating
Comp.
Ext.
Lateral
Angular
Torsional
Weight
(mm)
(mm)
(bar)
(mm Hg)
(mm)
(mm)
(mm)
(degree)
(degree)
(kg)
40×25
160
20
500
25
16
45
35°
4
3
40×32
120
20
500
25
16
45
35°
4
3
50×32
180
20
500
25
16
45
35°
4
3
50×40
180
20
500
25
16
45
35°
4
3
65×40
180
20
500
25
16
45
35°
3.8
4
65×50
180
20
500
25
16
45
35°
3.8
4
80×40
180
20
450
30
20
45
35°
3.5
4
80×50
180
20
450
30
20
45
35°
3.5
4
80×65
180
20
450
30
20
45
35°
3.5
5
100×50
180
18
450
30
20
45
35°
3.4
5
100×65
180
18
450
30
20
45
35°
3.4
6
100×80
180
18
450
30
20
45
35°
3.2
6
125×65
180
18
400
30
20
45
35°
3.2
6
125×80
180
18
400
30
20
45
35°
3.2
7
125×100
200
18
400
30
20
45
35°
3.1
7
150×50
190
18
350
30
20
45
35°
3
7
150×65
200
18
350
30
20
45
35°
2.9
8
150×80
180
18
350
30
20
45
35°
2.8
8
150×100
200
16
350
30
20
45
35°
2.7
9
150×125
200
16
350
30
20
45
35°
2.6
9
200×100
200
16
350
30
22
40
35°
2.5
11
200×125
220
16
350
35
25
40
35°
2.4
12
200×150
200
16
350
30
22
40
35°
2.3
13
250×125
220
14
320
35
25
40
35°
2.2
16
250×150
220
14
320
35
25
40
35°
2.1
18
250×200
220
14
320
35
25
40
35°
2
20
300×150
220
14
320
35
25
40
35°
1.9
21
300×200
220
14
320
35
25
40
35°
1.8
22
300×250
220
14
320
35
25
40
35°
1.7
26
350×200
230
14
320
35
25
40
35°
1.6
29
350×250
230
14
300
35
25
40
35°
1.5
33
350×300
230
14
300
35
25
40
35°
1.4
36
400×200
230
12
300
35
25
40
35°
1.3
35
400×250
240
12
300
35
25
40
35°
1.2
39
400×300
240
12
300
35
25
40
35°
1
42
400×350
260
12
300
35
25
40
35°
1
49
450×300
240
12
300
38
25
35
35°
1
47
450×350
240
12
280
38
25
35
35°
1
54
450×400
240
12
280
38
25
35
35°
1
60
500×300
280
9
280
40
28
35
35°
1
60
500×350
240
9
280
40
28
35
35°
1
67
500×400
230
9
280
40
28
35
35°
1
73
500×450
240
9
280
40
28
35
35°
1
78
600×400
240
8
280
40
28
35
35°
1
94
600×500
240
8
280
40
28
35
35°
1
112
700×600
260
6
280
40
28
35
35°
1
132

Eccentric Data Sheet:

SIZE
LENGTH
MAX
VACUUM
Movement Capability(mm)
Prox.
I.D×i.d.
F/F
Pressure
Rating
Comp.
Ext.
Lateral
Angular
Torsional
Weight
(mm)
(mm)
(bar)
(mm Hg)
(mm)
(mm)
(mm)
(degree)
(degree)
(kg)
40×25
180
16
450
25
16
45
35
4
3
40×32
180
16
450
25
16
45
35
4
3
50×32
180
14
450
25
16
45
35
4
3
50×40
180
14
450
25
16
45
35
4
3
65×40
180
13
450
25
16
45
35
3.8
4
65×50
180
13
450
25
16
45
35
3.8
4
80×40
180
13
400
30
20
45
35
3.5
4
80×50
180
13
400
30
20
45
35
3.5
4
80×65
180
12
400
30
20
45
35
3.5
5
100×50
180
12
350
30
20
45
35
3.4
5
100×65
180
12
350
30
20
45
35
3.4
6
100×80
180
12
350
30
20
45
35
3.2
6
125×65
180
11
350
30
20
45
35
3.2
6
125×80
180
11
350
30
20
45
35
3.2
7
125×100
180
10
350
30
20
45
35
3.1
7
150×65
200
11
350
30
20
45
35
3
8
150×80
200
10
350
30
20
45
35
2.9
8
150×100
200
9
320
30
20
45
35
2.8
9
150×125
200
9
320
30
20
45
35
2.7
9
200×100
220
8
320
30
22
40
35
2.6
11
200×125
220
8
320
35
25
40
35
2.5
12
200×150
220
8
320
30
22
40
35
2.4
13
250×125
220
7
320
35
25
40
35
2.3
16
250×150
220
7
320
35
25
40
35
2.2
18
250×200
220
7
300
35
25
40
35
2.1
20
300×150
220
7
300
35
25
40
35
2
21
300×200
220
6
300
35
25
40
35
1.9
22
300×250
220
6
300
35
25
40
35
1.8
26
350×200
230
6
300
35
25
40
35
1.7
29
350×250
230
6
300
35
25
40
35
1.6
33
350×300
230
6
300
35
25
40
35
1.5
36
400×200
240
5
280
35
25
40
35
1.4
35
400×250
240
5
280
35
25
40
35
1.3
39
400×300
240
5
280
35
25
40
35
1.2
42
400×350
260
5
280
35
25
40
35
1
49
NOTES:
1. Pressure/Vacuum rating is based on neutral installed length(F/F).
2. Pressure rating is based on 30℃ operating temperature. The pressure rating is reduced at higher temperatures.
3. Weights in the above table are joints with DIN PN16 drilling retaining ring flanges.
4. Movements shown in the above table are non-concurrent.
5.Control units must be used when piping is not properly anchored.
6. Rated pressure in the above table is the maximum "working pressure". Test pressure is 1.5 times "working pressure", Burst pressure is 4 times " work pressure".
7. Normally, the flange drilling is based on DIN PN16, ANSI 150/250/300 lbs, BS PN10, JIS 10K are also available upon request.
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